Year % of GNI 2005 -1.11212123584075 2006 4.31771889273067 2007 6.10694604711041 2008 -4.13394444533977 2009 1.4665471127938 2010 14.3609728530149 2011 14.3143303886799 2012 3.01538106464326 2013 11.8183022013161 2014 10.9268410283896 2015 6.48832062715334 2016 5.23388649281999 2017 15.5227491979223 2018 11.470703459097 2019 10.2819992486128 2020 18.4721620840118 2021 21.1423402657552